#B08131
Closest named color: Mustard Brown (#AC7E04). oklch(63.5% 0.111 77.3), rgb(176, 129, 49).
Aa
Black text reads best on this color (6.03:1).
About this color
#B08131 is a medium-light, moderately saturated orange. In OKLCH its lightness is 64%, its chroma 0.111 and its hue 77°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard Brown (#AC7E04), ΔE 0.023 away. Black text reads best on it, at 6.03:1.
| Hue family | Oranges |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.111) |
| Temperature | warm |
| Nearest name | Mustard Brown (#AC7E04) |
| Black text | 6.03:1 |
| White text | 3.48:1 |
Values
| HEX | #B08131 |
| RGB | rgb(176, 129, 49) |
| HSL | hsl(38, 56%, 44%) |
| OKLCH | oklch(63.5% 0.111 77.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #B08131 | 3.48:1 | AA large text | Lc -67.7 | Content text, not long reading |
| Black text on #B08131 | 6.03:1 | AA | Lc 41.9 | Non-text elements, placeholder text |
| #B08131 text on white | 3.48:1 | AA large text | Lc 62.2 | Content text, not long reading |
| #B08131 text on black | 6.03:1 | AA | Lc -39.5 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F8F5F0
oklch(97.1% 0.007 80.7)
-
Step 100
100
#F0E9DE
oklch(93.6% 0.017 79.3)
-
Step 200
200
#E5D7C3
oklch(88.5% 0.031 76.9)
-
Step 300
300
#D5BD9A
oklch(81% 0.054 77.2)
-
Step 400
400
#BF9A60
oklch(70.7% 0.088 77.9)
-
Step 500
500 (this color)
#B08131
oklch(63.5% 0.111 77.3)
-
Step 600
600
#996900
oklch(55.7% 0.116 77.3)
-
Step 700
700
#815800
oklch(49.2% 0.103 77.4)
-
Step 800
800
#6A4700
oklch(42.6% 0.089 76.7)
-
Step 900
900
#573C0A
oklch(37.8% 0.073 77.4)
-
Step 950
950
#332309
oklch(27% 0.046 76.5)
#B08131 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #938327 | 0.050 |
| Deuteranopia (no green cones) | #9E8E34 | 0.043 |
| Tritanopia (no blue cones) | #BF7470 | 0.095 |
| Achromatopsia (no color) | #898989 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B08131
#B08131
oklch(63.5% 0.111 77.3)
- #5E8CCD
#5E8CCD
oklch(63.5% 0.111 257.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B08131, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Brown #AC7E04 ΔE 0.023
- Golden Brown #B27A01 ΔE 0.023
- Dark Tan #AF884A ΔE 0.024
- Dark Goldenrod #B8860B ΔE 0.028
- Coffee #A6814C ΔE 0.029
- Tan Brown #AB7E4C ΔE 0.030
- Light Brown #AD8150 ΔE 0.030
- Bronze #A87900 ΔE 0.032
Use #B08131 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.